ssh login issue after patching


 
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Operating Systems Solaris ssh login issue after patching
# 1  
Old 11-17-2009
ssh login issue after patching

Hi Everybody,
Recently i applied patch cluster dated (2009.11.03) for solaris 10 sparc machine(Generic_138888-06)
I successfully applied and rebooted the machine , no errors received. But after patching it was not allowing me to login through ssh while telnet was working fine.Logs showed me
sshd[11712]: [ID 800047 auth.crit] fatal: matching cipher is not supported: aes256-ctr
i checked sshd_config but the following line containing ciphers was commented.
Ciphers aes128-ctr,aes128-cbc,arcfour,3des-cbc,blowfish-cbc
i need to uncomment the line and restart the ssh service to allow ssh login.

now ssh version is Sun_SSH_1.1.2, previously it was Sun_SSH_1.1 though i didn't notice any patch related to ssh in cluster.
Can anybody please help me know if we have any other solution for this? Can we remove a particular patch and then no need to modify sshd_config file?

Last edited by laxmikant; 11-17-2009 at 06:45 AM.. Reason: added more details
# 2  
Old 11-17-2009
output please..
#svcs ssh
#ssh -lvv <username>@localhost
# 3  
Old 11-17-2009
# 4  
Old 11-18-2009
Thanks incredible
1st o/p is online 2:57:29 svc:/network/ssh:default
2nd --able to connect through ssh -lvv user@localhost
but when i tried through putty its not allowing.

Thanks solaris user
discussion is quite useful.I may need to install SUNWcry package and try for the patch.

Thanks again i'll try these.
# 5  
Old 11-18-2009
which user did you try to ssh as, from the remote host? is it root or normal user?
# 6  
Old 11-18-2009
I tried ssh login as normal user from remote host to this host and it worked fine but from putty it is not allowing.
# 7  
Old 11-18-2009
you lauching putty from the same VLAN? if not, there will be problem. Is this the first time you trying this? As long as you can ssh to the destination server from anywhere, the problem cannot be at the destination, but from the source. When you launch putty with the IP, you should see the "login" message first. Did you get that at least?
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